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Qwt User's Guide
6.1.5
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A state machine for QwtPicker selections. More...
#include <qwt_picker_machine.h>

Public Types | |
| enum | SelectionType { NoSelection = -1, PointSelection, RectSelection, PolygonSelection } |
| enum | Command { Begin, Append, Move, Remove, End } |
| Commands - the output of a state machine. | |
Public Member Functions | |
| QwtPickerMachine (SelectionType) | |
| Constructor. | |
| virtual | ~QwtPickerMachine () |
| Destructor. | |
| virtual QList< Command > | transition (const QwtEventPattern &, const QEvent *)=0 |
| Transition. | |
| void | reset () |
| Set the current state to 0. | |
| int | state () const |
| Return the current state. | |
| void | setState (int) |
| Change the current state. | |
| SelectionType | selectionType () const |
| Return the selection type. | |
A state machine for QwtPicker selections.
QwtPickerMachine accepts key and mouse events and translates them into selection commands.
Type of a selection.